vismaterial.h

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#ifndef vismaterial_h
#define vismaterial_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kristofer Tingdahl
 Date:          4-11-2002
 RCS:           $Id$
________________________________________________________________________


-*/

#include "color.h"
#include "visnodestate.h"
#include "uistring.h"

namespace osg {
    class Material;
    class Array;
    class Geometry;
    class StateSet;
    class StateAttribute;
};

class IOPar;

namespace visBase
{
mExpClass(visBase) Material : public NodeState
{ mODTextTranslationClass(Material);
public:
                        Material();

    Notifier<Material>  change;

    void                setFrom(const Material&, bool trigger= false);

    void                setPropertiesFrom(const Material&, bool trigger= false);
    void                setColors(const TypeSet<Color>&,
                                  bool trigger = true);
    enum ColorMode      { Ambient, Diffuse, Specular, Emission,
                          AmbientAndDiffuse, Off };

    void                setColorMode( ColorMode );
    ColorMode           getColorMode() const;

    void                setColor(const Color&,int=-1,bool trigger=true);
    Color               getColor(int matnr=0) const;

    void                removeColor(int idx);

    void                setDiffIntensity(float);
    float               getDiffIntensity() const;

    void                setAmbience(float);
    float               getAmbience() const;

    void                setSpecIntensity(float);
    float               getSpecIntensity() const;

    void                setEmmIntensity(float);
    float               getEmmIntensity() const;

    void                setShininess(float);
    float               getShininess() const;

    void                setTransparency(float,int idx=0,bool updt=false);
    void                setAllTransparencies( float n );
    void                setTransparencies(float,const Interval<int>& range);

    float               getTransparency(int idx=0) const;

    void                rescaleTransparency(float bendpower);

    int                 usePar(const IOPar&);
    void                fillPar(IOPar&) const;

    int                 nrOfMaterial() const;

    void                clear();

    void                attachGeometry(osg::Geometry*);
    void                detachGeometry(osg::Geometry*);

    void                setColorBindType(unsigned int);
    
    const TypeSet<Color> getColors();

private:
                        ~Material();
   void                 updateOsgMaterial();

    void                createOsgColorArray(int);
    void                setColorArray(osg::Array*);
    void                removeOsgColor(int);
    float               getRescaledTransparency() const;

    static const char*  sKeyColor();
    static const char*  sKeyAmbience();
    static const char*  sKeyDiffIntensity();
    static const char*  sKeySpectralIntensity();
    static const char*  sKeyEmmissiveIntensity();
    static const char*  sKeyShininess();
    static const char*  sKeyTransparency();

    friend class        OsgColorArrayUpdator;

    osg::Material*      material_;

    Color               color_;
    float               ambience_;
    float               specularintensity_;
    float               emmissiveintensity_;
    float               shininess_;
    float               diffuseintensity_;

    unsigned int        colorbindtype_;

    mutable Threads::Lock lock_;
    osg::Array*                 osgcolorarray_;
    ObjectSet<osg::Geometry>    attachedgeoms_;
    float                       transparencybendpower_;
};

} // namespace visBase


#endif